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<title>SQLite Release 3.7.5 On 2011 February 01 (3.7.5)</title>
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<h2>SQLite Release 3.7.5 On 2011 February 01 (3.7.5)</h2><p><ul>
<li> Added the <a href="../c3ref/mprintf.html">sqlite3_vsnprintf()</a> interface.
<li> Added the <a href="../c3ref/c_dbstatus_cache_used.html">SQLITE_DBSTATUS_LOOKASIDE_HIT</a>,
     <a href="../c3ref/c_dbstatus_cache_used.html">SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE</a>, and
     <a href="../c3ref/c_dbstatus_cache_used.html">SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL</a> options for the
     <a href="../c3ref/db_status.html">sqlite3_db_status()</a> interface.
<li> Added the <a href="../compile.html#omit_autoreset">SQLITE_OMIT_AUTORESET</a> compile-time option.
<li> Added the <a href="../compile.html#default_foreign_keys">SQLITE_DEFAULT_FOREIGN_KEYS</a> compile-time option.
<li> Updates to <a href="../c3ref/stmt_readonly.html">sqlite3_stmt_readonly()</a> so that its result is well-defined
     for all prepared statements and so that it works with <a href="../lang_vacuum.html">VACUUM</a>.
<li> Added the "-heap" option to the <a href="../sqlite.html">command-line shell</a>
<li> Fix <a href="http://www.sqlite.org/src/info/5d863f876e">a bug</a> involving
     frequent changes in and out of WAL mode and
     VACUUM that could (in theory) cause database corruption.
<li> Enhance the <a href="../c3ref/profile.html">sqlite3_trace()</a> mechanism so that nested SQL statements
     such as might be generated by virtual tables are shown but are shown
     in comments and without parameter expansion.  This 
     greatly improves tracing output when using the FTS3/4 and/or RTREE
     virtual tables.
<li> Change the xFileControl() methods on all built-in VFSes to return
     <a href="../c3ref/c_abort.html">SQLITE_NOTFOUND</a> instead of <a href="../c3ref/c_abort.html">SQLITE_ERROR</a> for an unrecognized
     operation code.
<li> The SQLite core invokes the <a href="../c3ref/c_fcntl_chunk_size.html">SQLITE_FCNTL_SYNC_OMITTED</a> 
     <a href="../c3ref/file_control.html">file control</a>
     to the VFS in place of a call to xSync if the database has
     <a href="../pragma.html#pragma_synchronous">PRAGMA synchronous</a> set to OFF.
</ul></p>
      <p>A <a href="../changes.html">complete list of SQLite releases</a>
      in a single page is also available.  A detailed history of every
      check-in is available at
      <a href="http://www.sqlite.org/src/timeline">
      http://www.sqlite.org/src/timeline</a>.</p>
    
